Home / 23,465.76-32,378.64-13,389.60

Finding the Fourth Proportional to 23,465.76, 32,378.64 and 13,389.60

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Solution

The fourth proportional to 23,465.76, 32,378.64 and 13,389.60 is: 18,475.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,465.76 : 32,378.64 = 13,389.60 : x
  2. Step 2: Convert to fraction form
    23,465.76/32,378.64 = 13,389.60/x
  3. Step 3: Cross multiply
    23,465.76x = 32,378.64 × 13,389.60
  4. Step 4: Simplify right side
    23,465.76x = 433,537,038.14
  5. Step 5: Solve for x
    x = 433,537,038.14/23,465.76
  6. Step 6: Final answer
    x = 18,475.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.